EP0448401A3 - A shadow mask type cathode ray tube - Google Patents

A shadow mask type cathode ray tube Download PDF

Info

Publication number: EP0448401A3
Authority: EP; European Patent Office
Prior art keywords: ray tube; cathode ray; shadow mask; type cathode; mask type
Prior art date: 1990-03-22
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19910302492

Other versions

EP0448401B1 (en

EP0448401A2 (en

Inventor

Hiromi Wakasono

Osamu Adachi

Osamu Konosu

Shigeya Ashizaki

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electronics Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1990-03-22

Filing date

1991-03-21

Publication date

1992-01-15

1991-03-21 Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp

1991-09-25 Publication of EP0448401A2 publication Critical patent/EP0448401A2/en

1992-01-15 Publication of EP0448401A3 publication Critical patent/EP0448401A3/en

1995-07-05 Application granted granted Critical

1995-07-05 Publication of EP0448401B1 publication Critical patent/EP0448401B1/en

2011-03-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/861—Vessels or containers characterised by the form or the structure thereof
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/86—Vessels and containers
- H01J2229/8613—Faceplates
- H01J2229/8616—Faceplates characterised by shape
- H01J2229/862—Parameterised shape, e.g. expression, relationship or equation

EP91302492A 1990-03-22 1991-03-21 A shadow mask type cathode ray tube Expired - Lifetime EP0448401B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP73041/90		1990-03-22
JP2073041A JPH0614454B2 (en)	1990-03-22	1990-03-22	Shadow mask type color picture tube

Publications (3)

Publication Number	Publication Date
EP0448401A2 EP0448401A2 (en)	1991-09-25
EP0448401A3 true EP0448401A3 (en)	1992-01-15
EP0448401B1 EP0448401B1 (en)	1995-07-05

Family

ID=13506887

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91302492A Expired - Lifetime EP0448401B1 (en)	1990-03-22	1991-03-21	A shadow mask type cathode ray tube

Country Status (5)

Country	Link
US (1)	US5155410A (en)
EP (1)	EP0448401B1 (en)
JP (1)	JPH0614454B2 (en)
CN (1)	CN1021265C (en)
DE (1)	DE69110931T2 (en)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5614781A (en) *	1992-04-10	1997-03-25	Candescent Technologies Corporation	Structure and operation of high voltage supports
US5675212A (en) *	1992-04-10	1997-10-07	Candescent Technologies Corporation	Spacer structures for use in flat panel displays and methods for forming same
EP0516218B1 (en) *	1991-05-29	1995-10-25	Koninklijke Philips Electronics N.V.	Cathode ray tube comprising a display window
ATE129598T1 (en) *	1991-05-29	1995-11-15	Philips Electronics Nv	ELECTRON BEAM TUBE WITH IMAGE WINDOW.
US5606217A (en) *	1991-07-30	1997-02-25	Hitachi, Ltd.	Color cathode ray tube of shadow mask type
JP3171900B2 (en) *	1992-01-31	2001-06-04	株式会社東芝	Cathode ray tube
US5698939A (en) *	1992-04-06	1997-12-16	U.S. Philips Corporation	Display device having a display window
US5477105A (en) *	1992-04-10	1995-12-19	Silicon Video Corporation	Structure of light-emitting device with raised black matrix for use in optical devices such as flat-panel cathode-ray tubes
US5424605A (en) *	1992-04-10	1995-06-13	Silicon Video Corporation	Self supporting flat video display
JPH06103926A (en) *	1992-05-20	1994-04-15	Samsung Display Devices Co Ltd	Cathode-ray tube
MY109452A (en) *	1992-07-09	1997-01-31	Toshiba Kk	Color cathode ray tube
JP3354254B2 (en) *	1993-02-16	2002-12-09	株式会社東芝	Color picture tube
JPH06275206A (en) *	1993-03-19	1994-09-30	Hitachi Ltd	Color cathode-ray tube with shadow mask of variable hole pitch
US5686790A (en) *	1993-06-22	1997-11-11	Candescent Technologies Corporation	Flat panel device with ceramic backplate
JP2671766B2 (en) *	1993-06-30	1997-10-29	旭硝子株式会社	Glass bulb for cathode ray tube
WO1997033298A1 (en) *	1996-03-06	1997-09-12	Kabushiki Kaisha Toshiba	Cathode ray tube and method for manufacturing the same
USRE38450E1 (en)	1997-02-06	2004-03-02	Asahi Glass Company, Ltd.	Glass panel for a cathode ray tube
JP3271565B2 (en) *	1997-02-24	2002-04-02	三菱電機株式会社	Color cathode ray tube panel
JPH10241604A (en) *	1997-02-27	1998-09-11	Asahi Glass Co Ltd	Glass panel for cathode-ray tube
EP0905742A1 (en)	1997-03-14	1999-03-31	Kabushiki Kaisha Toshiba	Color cathode ray tube
TW529054B (en)	1997-04-12	2003-04-21	Samsung Display Devices Co Ltd	Cathode-ray tube
TW388055B (en) *	1997-10-31	2000-04-21	Matsushita Electronics Corp	Cathode ray tube device
US6639346B2 (en)	1997-12-17	2003-10-28	Samsung Display Devices Co., Ltd.	CRT panel and a method for manufacturing the same
KR100267963B1 (en) *	1998-08-17	2000-10-16	구자홍	Cathode ray panel
MY124086A (en) *	1998-08-31	2006-06-30	Toshiba Kk	Cathode-ray tube
TW430851B (en) *	1998-09-17	2001-04-21	Toshiba Corp	Color picture tube
JP2000149809A (en) *	1998-11-05	2000-05-30	Toshiba Corp	Color picture tube
KR100308043B1 (en) *	1999-04-16	2001-09-26	구자홍	method for calculation the inside curvature of panel for color cathode-ray tube
JP3847562B2 (en) *	1999-05-10	2006-11-22	日本電気硝子株式会社	Glass bulb for cathode ray tube
TW508613B (en) *	1999-10-25	2002-11-01	Matsushita Electric Ind Co Ltd	Cathode-ray tube
KR100331818B1 (en) *	2000-04-11	2002-04-09	구자홍	shadow mask for cathode ray tube
KR100331820B1 (en) *	2000-04-12	2002-04-09	구자홍	Flat Cathode Ray Tube
JP2002245948A (en) *	2001-02-15	2002-08-30	Toshiba Corp	Color picture tube
KR100778396B1 (en) *	2001-04-11	2007-11-21	삼성에스디아이 주식회사	Cathode ray tube
KR100426575B1 (en) *	2001-05-10	2004-04-08	엘지전자 주식회사	Pannel Structure of The Cathode-ray Cube
KR100481318B1 (en) *	2001-12-19	2005-04-07	엘지.필립스 디스플레이 주식회사	Flat Type Color Cathode Ray Tube
US7012356B2 (en) *	2002-07-15	2006-03-14	Lg. Philips Displays Korea Co., Ltd.	Color cathode ray tube
KR100464199B1 (en) *	2003-02-24	2005-01-03	엘지.필립스디스플레이(주)	Color cathode-ray tube
KR100518845B1 (en) *	2003-06-30	2005-09-30	엘지.필립스 디스플레이 주식회사	Cathod ray tube
KR100486723B1 (en) *	2003-07-08	2005-05-03	엘지.필립스 디스플레이 주식회사	Color cathode ray tube
DE602005001816T2 (en) *	2004-06-01	2007-12-06	Matsushita Toshiba Picture Display Co., Ltd., Takatsuki	Color picture tube
JP2006049145A (en) *	2004-08-05	2006-02-16	Matsushita Toshiba Picture Display Co Ltd	Color picture tube

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4570101A (en) *	1983-09-06	1986-02-11	Rca Corporation	Cathode-ray tube having a faceplate panel with a smooth aspherical screen surface
EP0283129A2 (en) *	1987-03-20	1988-09-21	Hitachi, Ltd.	Color picture tube of shadow mask type
US4777401A (en) *	1986-01-30	1988-10-11	Matsushita Electronics Corporation	Color picture tube having a face panel with an outer face having a hyperbolic curvature
FR2634945A1 (en) *	1988-07-27	1990-02-02	Videocolor	METHOD FOR MANUFACTURING HIGH-DEFINITION COLOR TELEVISION TUBE AND HIGH-DEFINITION TRICHROME TELEVISION TUBE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4839556A (en) *	1983-02-25	1989-06-13	Rca Licensing Corporation	Cathode-ray tube having an improved shadow mask contour
US4786840A (en) *	1983-02-25	1988-11-22	Rca Licensing Corporation	Cathode-ray tube having a faceplate panel with a substantially planar periphery

1990
- 1990-03-22 JP JP2073041A patent/JPH0614454B2/en not_active Expired - Lifetime
1991
- 1991-03-13 US US07/668,598 patent/US5155410A/en not_active Expired - Lifetime
- 1991-03-21 DE DE69110931T patent/DE69110931T2/en not_active Expired - Fee Related
- 1991-03-21 EP EP91302492A patent/EP0448401B1/en not_active Expired - Lifetime
- 1991-03-22 CN CN91101904A patent/CN1021265C/en not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4570101A (en) *	1983-09-06	1986-02-11	Rca Corporation	Cathode-ray tube having a faceplate panel with a smooth aspherical screen surface
US4777401A (en) *	1986-01-30	1988-10-11	Matsushita Electronics Corporation	Color picture tube having a face panel with an outer face having a hyperbolic curvature
EP0283129A2 (en) *	1987-03-20	1988-09-21	Hitachi, Ltd.	Color picture tube of shadow mask type
FR2634945A1 (en) *	1988-07-27	1990-02-02	Videocolor	METHOD FOR MANUFACTURING HIGH-DEFINITION COLOR TELEVISION TUBE AND HIGH-DEFINITION TRICHROME TELEVISION TUBE

Also Published As

Publication number	Publication date
US5155410A (en)	1992-10-13
DE69110931T2 (en)	1995-11-16
EP0448401B1 (en)	1995-07-05
EP0448401A2 (en)	1991-09-25
DE69110931D1 (en)	1995-08-10
CN1055081A (en)	1991-10-02
CN1021265C (en)	1993-06-16
JPH0614454B2 (en)	1994-02-23
JPH03272550A (en)	1991-12-04

Publication	Publication Date	Title
EP0448401A3 (en)	1992-01-15	A shadow mask type cathode ray tube
DE69126695D1 (en)	1997-08-07	Shadow mask for color cathode ray tube
KR900008606A (en)	1990-06-03	Shadow mask type color cathode ray tube
EP0445956A3 (en)	1991-11-21	Electron tube cathode
GB2243752B (en)	1994-05-25	A protection circuit for a cathode ray tube
EP0239083A3 (en)	1988-01-13	Flat shadow mask for color cathode ray tube
EP0281379A3 (en)	1989-09-27	Shadow mask type color cathode ray tube
EP0366465A3 (en)	1990-12-05	A colour cathode ray tube
KR910000923B1 (en)	1991-02-18	Color cathode ray tube having shadow mask assembly
GB2221085B (en)	1993-01-27	Shadow mask assembly for colour cathode ray tube
GB2238423B (en)	1994-07-13	Shadow mask for a cathode-ray tube
GB2226695B (en)	1993-06-16	Shadow mask for colour cathode ray tube
GB2108315B (en)	1984-10-24	Color shadow mask cathode ray tubes
GB9002117D0 (en)	1990-03-28	Shadow mask frame assembly for color cathode ray tube
KR940013611U (en)	1994-06-25	Shadow mask for cathode ray tube
KR950015579U (en)	1995-06-19	Color cathode ray tube shadow mask
KR900011853U (en)	1990-07-02	Shadow mask forming press for color cathode ray tube
KR930012067U (en)	1993-06-25	Shadow mask for cathode ray tube
GB2238652B (en)	1994-04-06	A cathode ray tube
KR910003421U (en)	1991-02-27	Shadow mask for color cathode ray tube
KR930009654U (en)	1993-05-26	Shadow Mask Frame Assembly for Cathode Ray Tube
KR910018945U (en)	1991-11-29	Shadow mask for color cathode ray tube
KR940017530U (en)	1994-07-28	Shadow mask for cathode ray tube
KR930011990U (en)	1993-06-25	Shadow mask for color cathode ray tube
KR950021251U (en)	1995-07-28	Shadow Mask Forming Press for Cathode Ray Tube

Legal Events

Date	Code	Title	Description
1991-08-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-09-25	17P	Request for examination filed	Effective date: 19910402
1991-09-25	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE GB
1991-11-28	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-01-15	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE GB
1994-05-04	17Q	First examination report despatched	Effective date: 19940317
1995-05-19	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1995-07-05	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE GB
1995-08-10	REF	Corresponds to:	Ref document number: 69110931 Country of ref document: DE Date of ref document: 19950810
1996-05-17	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1996-05-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1996-07-03	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
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2007-03-15	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20070315 Year of fee payment: 17
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2008-11-26	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20080321
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